CN113732701A

CN113732701A - Steel pipe welding machine for construction

Info

Publication number: CN113732701A
Application number: CN202110947954.3A
Authority: CN
Inventors: 吴浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-03

Abstract

The invention provides a steel pipe welding machine for building construction, belongs to the technical field of building auxiliary equipment, and solves the problems that an existing welding machine is low in welding efficiency, does not have a polishing function and is not beneficial to building construction. The automatic feeding crawler belt conveyor comprises two rotating mechanisms and two feeding crawler belts, a bearing crawler belt machine and a roller discharging frame are placed between the two rotating mechanisms, a welding gun is installed inside one rotating mechanism, a dust collection mechanism and a polishing machine are arranged inside the other rotating mechanism, a discharging crawler belt machine is placed on the outer side of the other rotating mechanism, and clamping mechanisms are arranged between the outer sides of the two rotating mechanisms and between the two rotating mechanisms. The invention can quickly move the position of the welding position of the steel pipe, and carry out fine adjustment, thereby ensuring quick welding and polishing, and being stable and efficient in welding and polishing; the steel pipe is quickly removed; the device can effectively absorb the scrap smoke generated during grinding and polishing, avoid environmental pollution, protect the health of site constructors, and cool the welding part by the discharged cold air.

Description

Steel pipe welding machine for construction

Technical Field

The invention belongs to the technical field of building auxiliary equipment, relates to a welding machine, and particularly relates to a steel pipe welding machine for building construction.

Background

At present, the steel pipe is partly among the building material, especially steel construction building's main has practice thrift the engineering time greatly, the construction is not influenced by season, increase house space usable floor area, reduce building rubbish and environmental pollution, building material reuse advantage etc, steel construction building is when the construction, often need weld the steel pipe as erecting support or horizontal support, need pass through the fixed back welding jobs of anchor clamps with the steel pipe, but the anchor clamps that traditional be used for steel pipe welding time use mostly need separately fix two steel pipes, can not adopt two steel pipes of an anchor clamps fixed, the convenience of use is poor, thereby welding efficiency has been reduced.

Through retrieval, as disclosed in chinese patent literature, a portable construction steel pipe welding device [ application number: CN 201820862572.4; publication No.: CN208262109U ]. This kind of steel pipe welding set includes the template that returns, the bottom both sides of template that returns all rotate and are connected with the mounting panel, the welding has the connecting plate on the mounting panel, the connecting plate is connected with the push pedal through control mechanism, the push pedal passes through coupling mechanism and is connected with the mounting panel, set up the activity groove on the mounting panel, activity inslot swing joint has two double-layered pipes. Although the utility model discloses a can accomplish the welding, but can not automatic feeding, welding, the convenience of use is poor, and welding efficiency is low, does not possess the function of polishing moreover, still needs the secondary to polish the welding seam.

Based on the above, the steel pipe welding machine for building construction is provided, the feeding crawler machine and the bearing crawler machine are respectively matched with the clamping mechanism and used for moving the welding position of the steel pipe, the clamping mechanism can finely adjust the welding position of the moving steel pipe, rapid welding and polishing are guaranteed, the clamping mechanism can rapidly move the polished steel pipe out, and the efficiency is high; the rotating mechanism is respectively matched with the welding gun and the polishing machine, so that circumferential welding and polishing can be effectively carried out, and the welding and polishing are stable and efficient; the roller discharging frame is matched with the discharging crawler machine, so that the polished steel pipe can be conveniently placed and moved out; dust absorption mechanism can effectively absorb the piece flue gas that produces when polishing, avoids the polluted environment, and the protection site operation personnel is healthy, and the welding department can be cooled down to exhaust cold wind, and the simulation welding seam natural cooling avoids the welding department overheated, influences and polishes.

Disclosure of Invention

The invention aims to provide a steel pipe welding machine for building construction aiming at the problems in the prior art, and the invention aims to solve the technical problems that: how to realize the high efficiency welded steel pipe of quick automation, effectively polish the butt weld simultaneously.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a steel pipe welding machine for construction, includes two slewing mechanism and two pay-off track machines, pay-off track machine is located two slewing mechanism's the outside, has placed bearing track machine and roller blowing frame between two slewing mechanism, and one of them slewing mechanism internally mounted has the welding rifle, and inside dust absorption mechanism and the buffing machine of being equipped with of another slewing mechanism, and the outside of another slewing mechanism has placed row material track machine, all is equipped with fixture between two slewing mechanism's the outside and two slewing mechanism.

According to the working principle of the invention, two steel pipes to be welded are manually or automatically placed on a feeding crawler machine, the feeding crawler machine drives the two steel pipes to relatively move, when the welding ends of the two steel pipes are abutted together, the two steel pipes are positioned at a welding gun, a clamping mechanism clamps the two steel pipes, a rotating mechanism drives the welding gun to rotate 360 degrees to weld the two steel pipes together, the clamping mechanism is released, the feeding crawler machine and a bearing crawler machine are matched to drive the welded steel pipes to move, so that the welding positions move to a polishing machine, the clamping mechanism clamps the welded steel pipes, the rotating mechanism drives the polishing machine to rotate 360 degrees to polish and polish the welding positions, the dust and smoke generated during polishing are absorbed by a dust absorption mechanism to avoid polluting the environment, after polishing is completed, the height of the crawler feeder is reduced, the clamping mechanism drives the polished steel pipes to move to be right above a roller discharge frame and a discharge crawler machine, the clamping mechanism is loosened, the polished steel pipes fall on the roller discharging frame and the discharging crawler machine, the discharging crawler machine drives the polished steel pipes to move out of the device, and when the polished steel pipes move out, two new steel pipes to be welded can be manually or automatically placed on the feeding crawler machine for next welding and polishing.

The center collineation and the upper surface height of the discharging crawler machine and the roller discharging frame are equal, the centers of the bearing crawler machine and the two feeding crawler machines are collineation and the upper surface height is equal, and the height of the discharging crawler machine is lower than that of the feeding crawler machines.

By adopting the structure, the steel pipes are convenient to move due to the equal height, the height of the discharging crawler machine is lower than that of the feeding crawler machine, and the polished steel pipes can be conveniently placed and moved out.

The feeding crawler machine comprises a feeding frame, a feeding chain-link crawler and two lifting motor push rods, wherein the two lifting motor push rods are fixed below the feeding frame, a base is fixed at the lower end of each lifting motor push rod, the feeding chain-link crawler is rotatably arranged on the feeding frame, and two limiting plates are arranged on chain plates of the feeding chain-link crawler.

By adopting the structure, the push rod of the lifting motor synchronously lifts for adjusting the height of the feeding chain track, the polished steel pipe is conveniently placed and moved out, the limiting plate limits the rolling of the steel pipe, and the rapid clamping is ensured.

The rotating mechanism comprises a rotating frame, two guide rails and a walking rail are fixed inside the rotating frame, the walking rail is located between the two guide rails, a walking vehicle is arranged on the two guide rails and the walking rail, a manipulator is arranged on the walking vehicle, a welding gun and a polishing machine are fixed at the tail end of the manipulator at the corresponding position, a mounting frame is fixed at the upper end of the outer side of the rotating frame, and a mounting plate is fixed in the middle of the outer side of the mounting frame.

By adopting the structure, the walking vehicle moves on the two guide rails and the walking rail, so that the manipulator is driven to rotate, the end position of the manipulator can be adjusted, and the requirement for welding and polishing steel pipes with different diameters is met.

The walking rail and the guide rail are both circular rings, the rotating frame is provided with a monitoring lens, the circle centers of the walking rail and the guide rail are collinear, and the mounting plate is positioned right above the circle centers of the walking rail and the guide rail.

The structure more than adopting, the monitoring camera is used for connecting the outside display screen, and the condition of polishing is welded in real time observation, and the mounting panel is located directly over the centre of a circle of walking rail and guide rail and is convenient for fixture centre gripping steel pipe.

The dust collection mechanism comprises a dust collector and a dust collection hose, a dust hood is arranged at one end of the dust collection hose and fixed at the tail end of the manipulator, the dust collector is fixed on the walking vehicle, the other end of the dust collection hose is connected with an air inlet of the dust collector, an air outlet of the dust collector is connected with an air outlet hose, and a port of the air outlet hose is located right above the bearing crawler machine.

Structure more than adopting, the dust catcher starts, absorbs the piece flue gas that produces when burnishing and polishing through the suction hood, avoids the polluted environment, and the protection site constructor is healthy, and air-out end discharge cold wind cools down welding department, and the simulation welding seam natural cooling avoids the welding department overheated, influences and polishes.

The end part of the polishing machine is detachably provided with a polishing head, and the welding gun and the polishing head are positioned at the circle centers of the traveling rail and the guide rail.

By adopting the structure, the polishing head polishes the welding part of the steel pipe, the polishing effect is ensured, and the new polishing head can be replaced after the polishing head is used for a period of time.

The supporting leg rods of the roller discharging frame are fixed on the rotating frames of the two rotating mechanisms, and the rollers of the roller discharging frame are cylindrical with two high ends and a low middle.

By adopting the structure, the roller is cylindrical with two high ends and a low middle part, so that the steel pipe is prevented from deviating and rolling, and the steel pipe is convenient to convey.

The clamping mechanism comprises a first base, a second base and a sliding seat, the first base is fixed below the mounting plate, a first lead screw is rotatably arranged at the lower end of the first base, a first motor is fixed at the side end of the first base, an output shaft of the first motor is fixedly connected with the first lead screw, the second base is slidably arranged below the first base and is in transmission connection with the first lead screw, the first base and the second base are vertically arranged, a second lead screw is rotatably arranged at the lower end of the second base, a second motor is fixed at the side end of the second base, an output shaft of the second motor is fixedly connected with the second lead screw, the sliding seat is slidably arranged below the second base and is in transmission connection with the second lead screw, a clamping motor is fixed at the lower end of the sliding seat, a screw is fixed on the output shaft of the clamping motor, a screw block is screwed on the screw, a clamping frame is fixed on the clamping motor, and two clamping jaws are hinged on the clamping frame, the upper end of the clamping jaw is hinged with the screw block.

Structure more than adopting, the steel pipe is located between two clamping jaws, the centre gripping motor starts, the output shaft of centre gripping motor drives the screw rod and rotates, thereby it moves along the output shaft to drive the spiral shell piece, the spiral shell piece drives two clamping jaws and rotates around the clamping frame relatively, thereby press from both sides the steel pipe tight, the output shaft of first motor drives first lead screw and rotates, thereby it slides to drive the second base, it sets up in first base below and the second base is connected the clamping jaw with first lead screw transmission promptly and follows, the steel pipe axis removes, a position for finely tuning steel pipe welding department, make the welding department just to welding rifle and buffing machine, the output shaft of second motor drives the second lead screw and rotates, thereby it slides to drive the sliding seat, it removes to the running roller and arranges the material frame and arrange directly over the material track machine to drive the steel pipe that polishes, be convenient for place and shift out.

Compared with the prior art, the steel pipe welding machine for building construction has the following advantages:

the feeding crawler machine and the bearing crawler machine are respectively matched with the clamping mechanism and used for moving the position of the welding position of the steel pipe, the clamping mechanism can finely adjust the position of the welding position of the moving steel pipe, rapid automatic welding and polishing are guaranteed, the clamping mechanism can rapidly move out of the polished steel pipe, and the efficiency is high; the rotating mechanism is respectively matched with the welding gun and the polishing machine, so that 360-degree circumferential welding and polishing can be effectively carried out, and the welding and polishing are stable and efficient; the roller discharging frame is matched with the discharging crawler machine, so that the polished steel pipe can be conveniently placed and moved out; dust absorption mechanism can effectively absorb the piece flue gas that produces when polishing, avoids the polluted environment, and the protection site operation personnel is healthy, and the welding department can be cooled down to exhaust cold wind, and the simulation welding seam natural cooling avoids the welding department overheated, influences and polishes.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is an exploded view of the present invention.

Fig. 5 is an enlarged schematic view of a structure at a in fig. 4.

Fig. 6 is a schematic perspective view of the rotating mechanism, the monitoring lens and the welding gun according to the present invention.

FIG. 7 is a front view schematically showing the structure of the rotating mechanism, the dust sucking mechanism and the grinding mechanism in the present invention.

Fig. 8 is an enlarged schematic view of B in fig. 7.

Fig. 9 is a schematic perspective view of the clamping mechanism of the present invention.

In the figure, 1, a feeder-track machine; 2. a rotating mechanism; 3. monitoring a lens; 4. a clamping mechanism; 5. a load-bearing crawler machine; 6. a roller discharging frame; 7. a dust suction mechanism; 8. a discharge crawler machine; 9. a lifting motor push rod; 10. feeding chain caterpillar tracks; 11. a limiting plate; 12. a base; 13. a rotating frame; 14. a guide rail; 15. a walking rail; 16. a mounting frame; 17. mounting a plate; 18. a walking vehicle; 19. a manipulator; 20. welding a gun; 21. a dust collector; 22. a dust collection hose; 23. a polishing machine; 24. a first lead screw; 25. a first motor; 26. a clamping motor; 27. a clamping frame; 28. a clamping jaw; 29. a sliding seat; 30. a second motor; 31. a second base; 32. a second lead screw; 33. a first base.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-9, the steel pipe welding machine for building construction comprises two rotating mechanisms 2 and two feeding track machines 1, wherein the feeding track machines 1 are positioned at the outer sides of the two rotating mechanisms 2, a bearing track machine 5 and a roller discharging frame 6 are arranged between the two rotating mechanisms 2, a welding gun 20 is arranged inside one rotating mechanism 2, a dust suction mechanism 7 and a polishing machine 23 are arranged inside the other rotating mechanism 2, a discharging track machine 8 is arranged at the outer side of the other rotating mechanism 2, and clamping mechanisms 4 are arranged at the outer sides of the two rotating mechanisms 2 and between the two rotating mechanisms 2;

manually or automatically placing two steel pipes to be welded on a feeding track machine 1, driving the two steel pipes to move relatively by the feeding track machine 1, when the welding end parts of the two steel pipes are abutted together, locating at a welding gun 20, clamping the two steel pipes by a clamping mechanism 4, driving the welding gun 20 to rotate 360 degrees by a rotating mechanism 2, welding the two steel pipes together, loosening the clamping mechanism 4, driving the welded steel pipes to move by the feeding track machine 1 and a bearing track machine 5 in a matching way, so that the welding part moves to a polishing machine 23, clamping the welded steel pipes by the clamping mechanism 4, driving the polishing machine 23 to rotate 360 degrees by the rotating mechanism 2, polishing the welding part, absorbing the generated debris smoke by a dust absorption mechanism 7 during polishing, avoiding environmental pollution, reducing the height of the feeding track machine 1 after polishing, driving the polished steel pipes to move by the clamping mechanism 4, the steel pipe polishing device is moved to the position right above the roller discharging frame 6 and the discharging crawler machine 8, the clamping mechanism 4 is loosened, the polished steel pipes fall on the roller discharging frame 6 and the discharging crawler machine 8, the discharging crawler machine 8 drives the polished steel pipes to move out of the device, and when the polished steel pipes are moved out, two new steel pipes to be welded can be manually or automatically placed on the feeding crawler machine 1 to be welded for the next welding and polishing.

The centers of the discharging crawler machine 8 and the roller discharging frame 6 are collinear, the upper surface heights of the discharging crawler machine 8 and the roller discharging frame 6 are equal, the centers of the bearing crawler machine 5 and the two feeding crawler machines 1 are collinear, the upper surface heights of the bearing crawler machine and the two feeding crawler machines 1 are equal, and the height of the discharging crawler machine 8 is lower than that of the feeding crawler machines 1; the height is equal to the height of the steel pipe, so that the steel pipe can be conveniently moved, and the height of the discharging crawler machine 8 is lower than that of the feeding crawler machine 1, so that the polished steel pipe can be conveniently placed and moved out.

The feeding crawler machine 1 comprises a feeding frame, a feeding chain track 10 and two lifting motor push rods 9, wherein the two lifting motor push rods 9 are fixed below the feeding frame, a base 12 is fixed at the lower end of each lifting motor push rod 9, the feeding chain track 10 is rotatably arranged on the feeding frame, and two limiting plates 11 are arranged on chain plates of the feeding chain track 10; the lifting motor push rod 9 is synchronously lifted and lowered and used for adjusting the height of the feeding chain caterpillar 10, the polished steel pipe is convenient to place and move out, the limiting plate 11 limits the steel pipe to roll, and quick clamping is guaranteed.

The rotating mechanism 2 comprises a rotating frame 13, two guide rails 14 and a traveling rail 15 are fixed inside the rotating frame 13, the traveling rail 15 is located between the two guide rails 14, traveling vehicles 18 are arranged on the two guide rails 14 and the traveling rail 15, a manipulator 19 is arranged on the traveling vehicle 18, a welding gun 20 and a polishing machine 23 are fixed at the tail ends of the manipulator 19 at corresponding positions, a mounting frame 16 is fixed at the upper end of the outer side of the rotating frame 13, and a mounting plate 17 is fixed in the middle of the outer side of the mounting frame 16; the walking vehicle 18 moves on the two guide rails 14 and the walking rail 15, so that the manipulator 19 is driven to rotate, the end position of the manipulator 19 can be adjusted, and the requirement for welding and polishing steel pipes with different diameters is met.

The walking rail 15 and the guide rail 14 are both circular, the monitoring lens 3 is arranged on the rotating frame 13, the circle centers of the walking rail 15 and the guide rail 14 are collinear, and the mounting plate 17 is positioned right above the circle centers of the walking rail 15 and the guide rail 14; the monitoring lens 3 is used for connecting an external display screen, the welding and polishing conditions are observed in real time, and the mounting plate 17 is positioned right above the circle centers of the walking rail 15 and the guide rail 14, so that the clamping mechanism 4 is convenient to clamp the steel pipe.

The dust collection mechanism 7 comprises a dust collector 21 and a dust collection hose 22, one end of the dust collection hose 22 is provided with a dust collection cover, the dust collection cover is fixed at the tail end of the manipulator 19, the dust collector 21 is fixed on the walking vehicle 18, the other end of the dust collection hose 22 is connected with an air inlet of the dust collector 21, an air outlet of the dust collector 21 is connected with an air outlet hose, and a port of the air outlet hose is positioned right above the bearing crawler 5; the dust catcher 21 starts, absorbs the piece flue gas that produces when burnishing and polishing through the suction hood, avoids the polluted environment, and the protection site operation personnel is healthy, and air-out end discharge cold wind cools down welding department, and the simulation welding seam natural cooling avoids the welding department overheated, and the influence is polished.

The end part of the polishing machine 23 is detachably provided with a polishing head, and the welding gun 20 and the polishing head are positioned at the circle centers of the traveling rail 15 and the guide rail 14; the polishing head polishes the steel pipe welding position, guarantees polishing effect, uses after a period, can change the polishing head of new.

The supporting leg rods of the roller discharging frame 6 are fixed on the rotating frames 13 of the two rotating mechanisms 2, and the rollers of the roller discharging frame 6 are cylindrical with two high ends and a low middle part; the roller is cylindrical with two high ends and a low middle part, so that the steel pipe is prevented from deviating and rolling, and the steel pipe is convenient to convey.

The clamping mechanism 4 comprises a first base 33, a second base 31 and a sliding seat 29, the first base 33 is fixed below the mounting plate 17, a first screw rod 24 is rotatably arranged at the lower end of the first base 33, a first motor 25 is fixed at the side end of the first base 33, the output shaft of the first motor 25 is fixedly connected with the first screw rod 24, the second base 31 is slidably arranged below the first base 33, the second base 31 is in transmission connection with the first screw rod 24, the first base 33 and the second base 31 are vertically arranged, a second screw rod 32 is rotatably arranged at the lower end of the second base 31, a second motor 30 is fixed at the side end of the second base 31, the output shaft of the second motor 30 is fixedly connected with the second screw rod 32, the sliding seat 29 is slidably arranged below the second base 31, the sliding seat 29 is in transmission connection with the second screw rod 32, a clamping motor 26 is fixed at the lower end of the sliding seat 29, a screw rod is fixed on the output shaft of the clamping motor 26, a screw block is screwed on the screw rod, a clamping frame 27 is fixed on the clamping motor 26, two clamping jaws 28 are hinged on the clamping frame 27, and the upper ends of the clamping jaws 28 are hinged with the screw block;

the steel pipe is located between two clamping jaws 28, centre gripping motor 26 starts, centre gripping motor 26's output shaft drives the screw rod and rotates, thereby it moves along the output shaft to drive the spiral shell piece, the spiral shell piece drives two clamping jaws 28 and rotates around clamping frame 27 relatively, thereby press from both sides the steel pipe tight, first motor 25's output shaft drives first lead screw 24 and rotates, thereby it slides to drive second base 31, it sets up in first base 33 below and second base 31 and first lead screw 24 transmission connection clamping jaw 28 along to drive promptly, the steel pipe axis removes, be used for finely tuning the position of steel pipe welding department, make the welding department just to welding rifle 20 and buffing machine 23, the output shaft of second motor 30 drives second lead screw 32 and rotates, thereby it slides to drive sliding seat 29, it removes to arrange material frame 6 and track machine 8 directly over to drive the steel pipe that polishes, be convenient for place and shift out.

The device is not limited to steel pipes for practical use, other tubular materials can be welded, if the device is made of other special-shaped materials, such as square pipes, steel plates and the like, the device needs to be matched with an external control system for dynamic adjustment, and only the feeding crawler machine 1, the bearing crawler machine 5, the roller discharging frame 6 and the discharging crawler machine 8 in different sizes need to be replaced.

The working principle of the invention is as follows:

the device is connected with an external control system, and the position of the manipulator 19 is adjusted according to the diameter of the steel pipe to be welded, so that the welding gun 20 and the polishing machine 23 are matched with the position of the steel pipe;

manually or automatically placing two steel pipes to be welded on a feeder track machine 1, wherein the feeder track machine 1 drives the two steel pipes to move relatively, when the welding ends of the two steel pipes are abutted together, that is, the welding position is located at a welding gun 20, an output shaft of a first motor 25 drives a first screw rod 24 to rotate so as to drive a second base 31 to slide, that is, a clamping jaw 28 which is arranged below a first base 33 and is in transmission connection with the second base 31 and the first screw rod 24 is driven to move along an axis of the steel pipes, so as to finely adjust the position of the welding position of the steel pipes, the gun head of the welding gun 20 is opposite to the welding position, a clamping motor 26 is started, an output shaft of the clamping motor 26 drives a screw rod to rotate so as to drive a screw block to move along the output shaft, the screw block drives two clamping jaws 28 to rotate relatively around a clamping frame 27 so as to clamp the steel pipes, and a traveling vehicle 18 moves on two guide rails 14 and a traveling rail 15, driving the welding gun 20 to rotate 360 degrees, and welding the two steel pipes together;

the clamping mechanism 4 is loosened, the feeding crawler machine 1 and the bearing crawler machine 5 are matched to drive the welded steel pipe to move, so that the welding position moves to the polishing machine 23, an output shaft of the first motor 25 drives the first lead screw 24 to rotate, the second base 31 is driven to slide, namely, the second base 31 and the first lead screw 24 are driven to be arranged below the first base 33 and are connected with the clamping jaw 28 in a transmission mode, the steel pipe axis moves and is used for finely adjusting the position of the welding position of the steel pipe, so that the welding position is located at the polishing head, the clamping mechanism 4 clamps the welded steel pipe, the rotating mechanism 2 drives the polishing machine 23 to rotate 360 degrees, the polishing position is polished, scraps generated during polishing are sucked by the dust suction mechanism 7, the environment pollution is avoided, the air outlet end discharges cold air, the welding position is cooled, the welding position is simulated, the welding position is naturally cooled, and the welding position is prevented from being overheated, and the polishing is influenced;

after polishing, the push rod 9 of the lifting motor is synchronously retracted, the heights of the two feeding crawler machines 1 are synchronously lowered, the output shaft of the second motor 30 drives the second lead screw 32 to rotate, so as to drive the sliding seat 29 to slide, so as to drive the polished steel pipes to move to the positions right above the roller discharging frame 6 and the discharging crawler machine 8, the clamping motor 26 is started, the output shaft of the clamping motor 26 drives the screw rod to reversely rotate, so as to drive the screw block to reversely move along the output shaft, the screw block drives the two clamping jaws 28 to oppositely rotate around the clamping frame 27, so as to loosen the steel pipes, the polished steel pipes fall on the roller discharging frame 6 and the discharging crawler machine 8, the discharging crawler machine 8 drives the polished steel pipes to move out of the device, and when the steel pipes are moved out, the two new steel pipes to be welded can be manually or automatically placed on the feeding crawler machines 1 for next welding and polishing.

In conclusion, the feeding crawler machine 1 and the bearing crawler machine 5 are respectively matched with the clamping mechanism 4 and used for moving the welding position of the steel pipe, the clamping mechanism 4 can finely adjust the welding position of the moving steel pipe, rapid welding and polishing are guaranteed, the clamping mechanism 4 can rapidly move out of the polished steel pipe, and the efficiency is high; the rotating mechanism 2 is respectively matched with the welding gun 20 and the polishing machine 23, so that 360-degree circumferential welding and polishing can be effectively and automatically carried out, and the welding and polishing are stable and efficient; the roller discharging frame 6 is matched with the discharging crawler machine 8, so that the polished steel pipes can be conveniently placed and moved out; dust absorption mechanism 7 can effectively absorb the piece flue gas that produces when polishing, avoids the polluted environment, and the protection site operation personnel is healthy, and the welding department can be cooled down to exhaust cold wind, and the simulation welding seam natural cooling avoids the welding department overheated, influences and polishes.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a steel pipe welding machine for construction, includes two slewing mechanism and two pay-off track machines, its characterized in that, pay-off track machine is located two slewing mechanism's the outside, has placed bearing track machine and roller blowing frame between two slewing mechanism, and one of them slewing mechanism internally mounted has the welding rifle, and inside dust absorption mechanism and the buffing machine of being equipped with of another slewing mechanism, and the outside of another slewing mechanism has placed row material track machine, all is equipped with fixture between two slewing mechanism's the outside and two slewing mechanism.

2. The steel pipe welding machine for building construction according to claim 1, wherein the discharging track machine is collinear with the center of the roller discharging rack and has the same height of the upper surface, the load-bearing track machine is collinear with the centers of the two feeding track machines and has the same height of the upper surfaces, and the discharging track machine is lower than the feeding track machine.

3. The steel tube welding machine for building construction according to claim 1, wherein the feeding crawler machine comprises a feeding frame, a feeding chain-link crawler and two lifting motor push rods, the two lifting motor push rods are fixed below the feeding frame, a base is fixed at the lower end of each lifting motor push rod, the feeding chain-link crawler is rotatably arranged on the feeding frame, and two limiting plates are arranged on chain plates of the feeding chain-link crawler.

4. The welding machine for steel pipes for construction according to claim 1, wherein the rotating mechanism comprises a rotating frame, two guide rails and a traveling rail are fixed inside the rotating frame, the traveling rail is located between the two guide rails, a traveling vehicle is arranged on the two guide rails and the traveling rail, a manipulator is arranged on the traveling vehicle, the welding gun and the polishing machine are fixed at the end of the manipulator at the corresponding position, a mounting frame is fixed at the upper end of the outer side of the rotating frame, and a mounting plate is fixed at the middle part of the outer side of the mounting frame.

5. The steel pipe welding machine for building construction according to claim 4, characterized in that the walking rail and the guide rail are both circular rings, the rotating frame is provided with a monitoring lens, the circle centers of the walking rail and the guide rail are collinear, and the mounting plate is positioned right above the circle centers of the walking rail and the guide rail.

6. The steel pipe welding machine for building construction as claimed in claim 4 or 5, wherein the dust collection mechanism comprises a dust collector and a dust collection hose, one end of the dust collection hose is provided with a dust collection cover, the dust collection cover is fixed at the tail end of the manipulator, the dust collector is fixed on the walking vehicle, the other end of the dust collection hose is connected with an air inlet of the dust collector, an air outlet of the dust collector is connected with an air outlet hose, and a port of the air outlet hose is located right above the bearing crawler machine.

7. The steel pipe welding machine for building construction as claimed in claim 6, wherein the end of the polishing machine is detachably provided with a polishing head, and the welding gun and the polishing head are located at the center of the traveling rail and the guide rail.

8. The steel pipe welding machine for building construction according to claim 6, wherein the leg lever of the roller discharging frame is fixed on the rotating frames of the two rotating mechanisms, and the roller of the roller discharging frame is cylindrical with two high ends and a low middle.

9. The steel pipe welding machine for building construction as claimed in claim 6, wherein the clamping mechanism comprises a first base, a second base and a sliding seat, the first base is fixed below the mounting plate, a first screw rod is rotatably provided at the lower end of the first base, a first motor is fixed at the side end of the first base, the output shaft of the first motor is fixedly connected with the first screw rod, the second base is slidably provided below the first base and is in transmission connection with the first screw rod, the first base and the second base are vertically arranged, a second screw rod is rotatably provided at the lower end of the second base, a second motor is fixed at the side end of the second base, the output shaft of the second motor is fixedly connected with the second screw rod, the sliding seat is slidably provided below the second base and is in transmission connection with the second screw rod, a clamping motor is fixed at the lower end of the sliding seat, a screw rod is fixed on the output shaft of the clamping motor, the screw rod is connected with a screw block in a threaded manner, a clamping frame is fixed on a clamping motor, two clamping jaws are hinged to the clamping frame, and the upper ends of the clamping jaws are hinged to the screw block.